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annotate rust/rhg/src/commands/root.rs @ 45364:5fe25f8ef5d9

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rhg: add a `Files` `Command` to prepare the `rhg files` subcommand Differential Revision: https://phab.mercurial-scm.org/D8868
author Antoine Cezar <antoine.cezar@octobus.net>
date Wed, 29 Jul 2020 10:21:17 +0200
parents 5dbf875b3275
children ed95ccc94333
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 use crate::commands::Command;
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2 use crate::error::CommandError;
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3 use crate::ui::Ui;
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4 use hg::operations::FindRoot;
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5 use hg::utils::files::get_bytes_from_path;
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7 pub const HELP_TEXT: &str = "
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8 Print the root directory of the current repository.
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9
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10 Returns 0 on success.
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11 ";
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13 pub struct RootCommand<'a> {
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14 ui: &'a Ui,
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15 }
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16
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17 impl<'a> RootCommand<'a> {
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18 pub fn new(ui: &'a Ui) -> Self {
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19 RootCommand { ui }
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20 }
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21 }
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22
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23 impl<'a> Command<'a> for RootCommand<'a> {
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24 fn run(&self) -> Result<(), CommandError> {
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25 let path_buf = FindRoot::new().run()?;
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27 let bytes = get_bytes_from_path(path_buf);
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29 // TODO use formating macro
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30 self.ui.write_stdout(&[bytes.as_slice(), b"\n"].concat())?;
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31
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32 Ok(())
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33 }
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34 }